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Update timeline

Google updates: every update to the search algorithm

Timeline, rollout notes and the operational memory of Google updates: Core Updates, Spam Updates and every relevant change in Search.

From 2011 to today Latest entry 25 September 2026
80 Updates recorded
31 Core Update 15 Spam Update 24 Ranking systems 7 Policies and guidelines 3 Other updates

Each entry starts from Google's official announcement and records its dates, scope and rollout status.

80 updates found

  1. 2022

  2. Policies and guidelines

    Search Quality Raters Guidelines Update

    Google changes its guidelines for search quality raters and adds Experience among the key dimensions to search for on pages: E-E-A-T is now born, i.e. experience, expertise, authoritativeness e trustworthiness. Read more
  3. Spam Update

    December 2022 link spam update

    Google released the December 2022 link spam update to neutralize the impact of unnatural links on search results thanks to SpamBrain: now this AI-based spam prevention system directly detects spam and also identifies sites that purchase links and sites used for the purpose of transmitting outbound links.
  4. Ranking systems

    Helpful Content System all around the world

    Google has officially released its Helpful Content System worldwide, including Europe: the usefulness of content is a ranking factor. Read more
  5. Ranking systems

    New Google terminology: System and Update

    This is not technical news, but it is useful to point out that Google now uses two different terms to refer to algorithm interventions: System is a ranking algorithm, constantly running in the background. Update is a one-time change to ranking systems. For now, we will not change the designations already present on the blog, to avoid confusion. Read more
  6. Spam Update

    October 2022 Google Spam Update

    Google has released an update, global and for all languages, affecting the automated systems that detect spam in search results, to make them more effective in detecting spam, including new types. Read more
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